/**
 * File StringUtils.java
 * ---------------------------------------------------------
 *
 * Copyright (C) 2012 David Bauske (david.bauske@googlemail.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * - The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * - The origin of the software must not be misrepresented.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * TL;DR: As long as you clearly give me credit for this Software, you are free to use as you like, even in commercial software, but don't blame me
 * 		if it breaks something.
 */
package net.cl.util.string;

import java.util.Random;

/**
 * Simple utility class used to generate random strings.
 *
 * @author Martin Braun (Original code), David Bauske (adaption)
 */
public class StringUtils
{
	protected static final Random	sRandom	= new Random();

	/**
	 * Generates a random string.
	 *
	 * Consists of lowercase letters from the english alphabet.
	 * 
	 * @param pMin The minimal length of the resulting string.
	 * @param pMax The maximum length of the resulting string.
	 * @return The generated string.
	 */
	public static String generateRandomString(int pMin, int pMax)
	{
		return generateRandomString(sRandom.nextInt(pMax) + pMin);
	}

	/**
	 * Generates a random string.
	 *
	 * Consists of lowercase letters from the english alphabet.
	 *
	 * @param pLength The length of the resulting string to create
	 * @return The generated string.
	 */
	public static String generateRandomString(int pLength)
	{
		StringBuilder builder = new StringBuilder();
		for(int i = 0; i < pLength; ++i)
		{
			builder.append((char) (sRandom.nextInt(26) + 97));
		}
		return builder.toString();
	}
}
